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1512 results about "Observation method" patented technology

The observation method involves human or mechanical observation of what people actually do or what events take place during a buying or consumption situation. “Information is collected by observing process at work.

Object observation apparatus and object observation

This invention relates to an object observation apparatus and observation method. The object observation apparatus is characterized by including a drivable stage on which a sample is placed, an irradiation optical system which is arranged to face the sample on the stage, and emits an electron beam as a secondary beam, an electron detection device which is arranged to face the sample, causes to project, as a primary beam, at least one of a secondary electron, reflected electron, and back-scattering electron generated by the sample upon irradiation of the electron beam, and generates image information of the sample, a stage driving device which is adjacent to the stage to drive the stage, and a deflector arranged between the sample and the electron detection device to deflect the secondary beam, the electron detection device having a converter arranged on a detection surface to convert the secondary beam into light, an array image sensing unit which is adjacent to the converter, has pixels of a plurality of lines each including a plurality of pixels on the detection surface, sequentially transfers charges of pixels of each line generated upon reception of light of an optical image obtained via the converter to corresponding pixels of an adjacent line at a predetermined timing, adds, every transfer, charges generated upon reception of light after the transfer at the pixels which received the charges, and sequentially outputs charges added up to a line corresponding to an end, and a control unit connected to the array image sensing unit to output a transfer signal for sequentially transferring charges of pixels of each line to an adjacent line, and the control unit having a stage scanning mode in which the array image sensing unit is controlled in accordance with a variation in projection position of the secondary beam projected on the electron detection device that is generated by movement of the stage device, and a deflector operation mode in which the array image sensing unit is controlled in accordance with a variation in projection position of the secondary beam projected on the detection device by the deflector.
Owner:NIKON CORP

Object observation apparatus and object observation

This invention relates to an object observation apparatus and observation method. The object observation apparatus is characterized by including a drivable stage on which a sample is placed, an irradiation optical system which is arranged to face the sample on the stage, and emits an electron beam as a secondary beam, an electron detection device which is arranged to face the sample, causes to project, as a primary beam, at least one of a secondary electron, reflected electron, and back-scattering electron generated by the sample upon irradiation of the electron beam, and generates image information of the sample, a stage driving device which is adjacent to the stage to drive the stage, and a deflector arranged between the sample and the electron detection device to deflect the secondary beam, the electron detection device having a converter arranged on a detection surface to convert the secondary beam into light, an array image sensing unit which is adjacent to the converter, has pixels of a plurality of lines each including a plurality of pixels on the detection surface, sequentially transfers charges of pixels of each line generated upon reception of light of an optical image obtained via the converter to corresponding pixels of an adjacent line at a predetermined timing, adds, every transfer, charges generated upon reception of light after the transfer at the pixels which received the charges, and sequentially outputs charges added up to a line corresponding to an end, and a control unit connected to the array image sensing unit to output a transfer signal for sequentially transferring charges of pixels of each line to an adjacent line, and the control unit having a stage scanning mode in which the array image sensing unit is controlled in accordance with a variation in projection position of the secondary beam projected on the electron detection device that is generated by movement of the stage device, and a deflector operation mode in which the array image sensing unit is controlled in accordance with a variation in projection position of the secondary beam projected on the detection device by the deflector.
Owner:NIKON CORP

Wheel barycenter distortion angle observation method integrated with Kalman filtering and acceleration integral

ActiveCN102009653AObservations are accurateEngineeringObservation system
The invention relates to a wheel barycenter distortion angle observation method integrated with Kalman filtering and acceleration integral, comprising the following steps: 1) setting a barycenter distortion angle observation system comprising a vehicle speed sensor, a longitudinal acceleration sensor, a transverse acceleration sensor, a yaw velocity sensor and a controller, and respectively obtaining the primary signals of longitudinal acceleration, transverse acceleration and yaw velocity; 2) carrying out Kalman filtering processing on the longitudinal acceleration, transverse acceleration and yaw velocity respectively, so as to obtain the processed estimated values of the longitudinal acceleration, the transverse acceleration and the yaw velocity; 3) carrying out barycenter distortion angle observation respectively by adopting the mode based on Kalman filtering and signal integral; and4) carrying out weighted process on the results of the two methods in the step 3), thus obtaining the barycenter distortion angle observation value. The weighted process is carried out based on the Kalman filtering and acceleration integral. Not only has the method wide application range, but also accurate barycenter distortion angle observation result can be obtained under the condition of low cost.
Owner:TSINGHUA UNIV

Automatic leaf area index observation system and method

The invention discloses an automatic leaf area index observation system and an automatic leaf area index observation method. The system comprises a data acquisition device and an automatic leaf area index observation server which comprises a binary image generation module, a parameter extraction module and a leaf area index calculation module; the binary image generation module is used for classifying a crop canopy digital image acquired by the data acquisition device into a binary image; the parameter extraction module is used for extracting parameters such as gap rate, a gap size, and an aggregation index from the binary image; and the leaf area index calculation module is used for calculating the leaf area index according to the extracted information parameters. The system realizes a method for indirectly measuring the leaf area index. Compared with the prior art, the invention has the advantages that the method can be used for remotely acquiring images outdoor and meeting the image classification under outdoor complex conditions, classification accuracy is reliable and a classification result is accurate. Information such as the gap rate, the gap size, the aggregation index and the like are acquired from the binary image, so deeper analysis can be performed, and the leaf area index can be calculated.
Owner:BEIJING NORMAL UNIVERSITY

Position observation device and method for rotor of built-in permanent magnetic synchronous motor based on adaptive filtering

The invention provides a position observation device and a position observation method for a rotor of a built-in permanent magnetic synchronous motor based on adaptive filtering, and belongs to the field of motor control, solving the problem of the convectional model method that six-time harmonic pulsation observation error is contained in the acquired rotor position angle observation value. The position observation device and the position observation method are respectively an adaptive notch filtering filter signal processing device and an adaptive notch filtering filter signal processing method based on the least mean square algorithm, and the device and the method are used for removing the six-time rotor pulsation error in the control technology model method applicable to a middle and high speed position-free sensor permanent magnetic synchronous motor. The method comprises the following steps of: acquiring equivalent back electromotive force information through the model method; regulating through the adaptive notch filtering filter based on the least mean square algorithm; then carrying out normalization processing on the back electromotive force information; and finally acquiring a rotor position observation value through a phase-locked loop. The device and the method provided by the invention are simple and easy to implement, can be used for effectively inhibiting the influence of the six-time pulsation error in the rotor position observation value and improving the performance of the position-free sensor permanent magnetic synchronous motor, and are applicable to a permanent magnetic synchronous motor control system.
Owner:哈工科讯(沈阳)智能工业技术有限公司

Automatic observation method and device for crop development and growth

The invention discloses an automatic observation device for crop development and growth. The device comprises an image acquisition part, a communication transmission system and a data processing centre, wherein the image acquisition part comprises a CCD camera, a video monitor and a lightning conductor which are fixed with a bracket; the bracket is arranged in a crop planting area; an antenna fixed to the top end of the bracket is in wireless connection with a computer which receives and processes the data of the crop development and growth and is arranged in a data processing centre through a wireless network; the communication transmission system comprises antennae and encoders respectively positioned on the image acquisition part and the two ends of the data processing centre; and the computer in the data processing centre comprises an image database, an image feature algorithm library and a product library. The device performs real-time automatic acquisition and identification on crop growth information, performs long-term observation, analysis and measurement remotely through a network, automatically measures aiming at the crop growth, has a simple measurement principle and an accurate measurement result, is convenient to popularize and use, and has significance to promote the modernization and the automation of agricultural meteorological observation.
Owner:CMA METEOROLOGICAL OBSERVATION CENT

Experiment method for monitoring cathode lithium precipitation via use of reference electrode

The invention discloses an experiment method for monitoring cathode lithium precipitation via use of a reference electrode. The method comprises the following steps: a brass wire of a certain dimension is used as a substrate and is pre-embedded in an electrical core during electrical core making processes, the electrical core is adjusted to a certain charging state after the electrical core makingprocesses are finished, the brass wire is subjected to electrochemical deposition of lithium, a uniform lithium layer of a certain thickness is obtained, and therefore the reference electrode is obtained; a three electrode battery is connected with charge-discharge equipment, a current is applied to an anode and a cathode, electric potential change of a whole battery is monitored via user of thereference electrode during battery charging and discharging processes, and accuracy is confirmed; at last whether lithium precipitation occurs in the cathode of the battery is analyzed. The beneficialeffects of the method are that the electric potential change of all electrodes in the battery can be monitored via use of the reference electrodes through an electrochemical method, and breakdown points of cathode lithium precipitation can be determined; compared with a conventional disassembling observation method, the method disclosed in the invention is advantaged by simplicity, convenience, high credibility and high practicality.
Owner:SHANXI CHANGZHENG POWER TECH CO LTD

Down-hole guiding height viewer and its observation method

The invention discloses an underground high-conducting visualizer and an observation method thereof. The invention includes a plurality of plugging devices that are connected in series; a water injection pipeline between two neighboring plugging devices is provided with a water injection opening; one end of the water injection pipeline is connected with a water injection control platform; the plugging pipelines are mutually communicated by external connecting pipelines and are connected with expansion pipelines. When in use, firstly bores are drilled in the cover rocks needed observing; then the plugging devices connected in series are pushed into the preset position of the bores; gas is pumped into the expansion pipeline and then one section of the bores is plugged into a plurality of sections; water is injected into the water injection pipelines and the water injection opening on the water injection pipeline between the two neighboring plugging devices are opened in sequence; water is injected into the terrane that the section of bores lies in; finally the cranny growth situation inside the cover rocks is analyzed according to the water injection seepage discharge of each section of terrane. The underground high-conducting visualizer has simple structure, is convenient for use, can realize simultaneous plugging, water injection by section and multi-section seepage detection, improve the observing efficiency and has highly reliable detection result.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Biological sample observation system and biological sample observation method

An object is to provide a biological sample observation system wherein light damage to the biological sample is decreased, and observation can be performed accurately and quickly over a long period of time. A biological sample observation system which continuously obtains information on a biological sample that is cultured inside of a culturing container has: an imaging section which observes mutually different regions that are previously selected, among regions to be observed including the biological sample, through an object lens for observing the biological sample in the culturing container through a part of the culturing container; an autofocus section which detects the focusing of the object lens with respect to a predetermined region among the regions to be observed; and a focusing drive control section which controls the focusing of the object lens when the biological sample is observed using the imaging section, based on the detection result of the focusing previously performed by the autofocus section. After the focus detection is performed by the autofocus section, without being intervened by the focus detection using the autofocus section, and the different regions are continuously observed by the imaging section, with the focusing controlled by the focusing drive control section.
Owner:OLYMPUS CORP
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